Dialogflow - Conversational UX Platform. (ex API.ai)
HTTPS Everywhere - Chrome extension that encrypts and secures your browser
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Smart HTTPS - Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts...
Botpress - Open-source platform for developers to build high-quality digital assistants
HTTPZ - HTTPZ is meant to be unobtrusive and lightweight.